SUMMARY

• 15 years of overall experience in IT with over 6 years of rich development experience in Big Data projects
• Strong experience in analyzing high volumes of data with skills in Hive, Spark, Java, Oozie, Shell Scripting, MapReduce, Pig and HBase
• Experience in designing and developing ETL multi - layer data transformation pipelines using Hive, Spark, Java, Oozie and Shell Scripting
• Hands-on experience in migrating different types of data sources into Hadoop data lake for analysis; handled Mainframes, Teradata, Oracle and JSON data sources
• Developed re-usable Java utilities that can be used for multiple use cases within Hadoop Eco System
• Strong experience in designing and migrating legacy RDBMS applications into Hadoop
• Good exposure to Sqoop, Shell Scripting, Oozie and Autosys
• Excellent skills in developing transformation logic and writing complex Hive queries
• Strong in-depth knowledge in Hadoop ecosystem tools, MapReduce architecture and performance tuning
• Rich experience in multiple domains including Banking, Confidential, Confidential and Manufacturing
• Worked for clients: Confidential, Confidential, Confidential, World Bank, Travelers, Confidential and Confidential
• Over 8 years of experience in Development and Maintenance of Java enabled Lotus Notes applications using Lotus Notes, Java, Ajax, JavaScript, HTML, Lotus Script and Formula language
• Confidential Certified Associate Application Developer - Lotus Notes & Domino 8.5 with experience in designing XPages based and Java-SQL enabled domino applications
• Possess good communication skills and strong interpersonal skills

TECHNICAL SKILLS

• Hadoop Eco System: Hive, MapReduce, Pig, Spark, HBase, Oozie, Flume and Sqoop
• Languages Java, Scala, Lotus Script and Formula Language (R5.x, R6.x and R7.x) JavaScript, XML, XSL Transformations, HTML & CSS, Unix Shell Scripting and Xpages (R8.5.x)
• DBMS SQL Server
• Operating Systems Linux, Window OS
• Tools Attunity, Eclipse, SQL Server Management Studio, Accurev

PROFESSIONAL EXPERIENCE

Confidential, Tampa, FL

Big Data Tech Lead

Responsibilities:

• Guide and support the team members and groom them in project architecture and low level design
• Understanding the current legacy platform by interacting with the Business Analysts and convert the AML rules into technical design
• Design the technology migration strategy using the current EAP architecture used in Confidential COE
• Developing/customizing the Hive QL queries that applies complex transformation formulae on the transaction data at each layer of the system
• Developing / customizing the ETL framework in spark and java
• Designing the job sequence, automation strategy, preparing and monitoring the Autosys and Oozie jobs to make sure that the data transformation is taking place as expected
• Analyzing and validating the results to make sure that the quality of the output at each layer is as per the business requirements
• Making sure that the technical artifacts are maintained and appropriately versioned in SVN and RTC
• Performance tuning of the transformation monitoring system

Confidential, Dearborn, MI

Senior Hadoop Developer

Responsibilities:

• Developing and customizing the Data Transformation Standards Framework (DTSF is an in-house framework developed in Java)
• Performing the dataset operations of Delta and Dedup using DTSF, Spark Data Frames, Hive and HBase
• Developing corresponding test methods for DTSF using JUnit
• Developing re-usable Java utilities that can be used within Hadoop Eco System such as below Ranger Backup Utility (Technologies used: Java, REST API, JSON, Apache Ranger)
• This Java utility has been developed by me using REST APIs, which keeps backing up Ranger Policies (JSON) in a regular interval
• When a disaster occurs, this utility creates / exports the policies back into DR environment
• Writing and maintaining Pig Scripts for adhoc load / transformation requests
• Writing and maintaining Hive queries to validate the datasets

Confidential, St Paul, MN

Hadoop Developer

Responsibilities:

• Transforming, Ingesting and analyzing business critical data sources using Hadoop stack
• Handled multiple types of sources that include Mainframes, RDBMS, JSON and CSV / Flat files
• Handled Mainframes data sources which are in EBCDIC format
• Developed MapReduce programs to analyze the data
• Creating and maintaining Pig Scripts to Transform, Ingest and Analyze the data sources
• Writing Pig UDFs to implement custom business logic
• Creating and maintaining Hive queries for analysis (Used COBOL and JSON SerDe)
• Performance tuning by creating ORC tables and partitioning the data
• Used HBase as back-end for data storage and retrieval
• Creating and maintaining Hive tables created on top of HBase tables, that contain Audit and product related data
• Writing and maintaining Shell Scripts
• Preparing Oozie workflows and scheduling Oozie jobs using Oozie coordinator

Confidential, St Paul, MN

Hadoop Developer

Responsibilities:

• Transforming and Ingesting the data sources into Hadoop data lake
• Handled multiple types of sources that include Lotus Notes Logs, RDBMS, JSON and CSV / Flat files
• Developing MapReduce programs to analyze the data
• Creating and maintaining Pig Scripts to Transform & Load the data sources into HBase / HDFS
• Writing Pig UDFs and creating and maintaining Hive tables
• Used JSON SerDe, maintained the data in ORC format
• Creating Shell Scripts
• Preparing Oozie workflows and scheduling Oozie jobs using Oozie coordinator
• Preparing Technical Design Documents and writing Unit Test cases

Confidential, Washington, D.C

Senior Developer

Responsibilities:

• I was also responsible for coordinating between offshore and onsite team members to make sure the delivery is effective
• Skillset: Lotus Notes & Domino R8.5.3, Java, XPages, Lotus Script, Formula Language, HTML, Java Script, XML
• Client Description: The Confidential is an international financial institution that provides loans to countries of the world for capital programs
• Prepare and evaluate the design of ICRA
• Develop, unit test and deliver the application
• Coordinate between offshore, onsite team members and make sure the client’s requirements are met
• Provide application support for ICRA during the warranty period

Confidential

Senior Developer

Responsibilities:

• My responsibilities are to design, develop and maintain the Java enabled Lotus Notes applications and play the role of an offshore developer

Skillset: Lotus Notes & Domino R7, Java, Lotus Script, Formula Language, HTML, Java Script, XML, LEI

Confidential

Developer

Responsibilities:

• My responsibilities are to develop, customize and maintain Announce.IT and Xplain.IT. I was playing the role of an offshore developer.

Skillset: Lotus Notes & Domino 6.5, JavaScript, Lotus Script, Formula Language, HTML, XML, XSL Transformations, AJAX

Confidential

Developer

Responsibilities:

• RMS is purely a web-based workflow application to automate the product’s release lifecycle in the organization

Skillset: Lotus Notes & Domino 6.5, Java, Lotus Script, Formula Language, HTML, JavaScript and AJAX